#include "tag.h"
#include "directives.h"
#include "token.h"
#include <cassert>
#include <stdexcept>

namespace YAML
{
	Tag::Tag(const Token& token) : type(static_cast<TYPE>(token.data))
	{
		switch (type) {
		case VERBATIM:
			value = token.value;
			break;
		case PRIMARY_HANDLE:
			value = token.value;
			break;
		case SECONDARY_HANDLE:
			value = token.value;
			break;
		case NAMED_HANDLE:
			handle = token.value;
			value = token.params[0];
			break;
		case NON_SPECIFIC:
			break;
		default:
			assert(false);
		}
	}

	const std::string Tag::Translate(const Directives& directives)
	{
		switch (type) {
		case VERBATIM:
			return value;
		case PRIMARY_HANDLE:
			return directives.TranslateTagHandle("!") + value;
		case SECONDARY_HANDLE:
			return directives.TranslateTagHandle("!!") + value;
		case NAMED_HANDLE:
			return directives.TranslateTagHandle("!" + handle + "!") + value;
		case NON_SPECIFIC:
			// TODO:
			return "!";
		default:
			assert(false);
		}
		throw std::runtime_error("yaml-cpp: internal error, bad tag type");
	}
}